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Finding the Fourth Proportional to 326,209.48, 450,060.60 and 197,187.41

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Solution

The fourth proportional to 326,209.48, 450,060.60 and 197,187.41 is: 272,053.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,209.48 : 450,060.60 = 197,187.41 : x
  2. Step 2: Convert to fraction form
    326,209.48/450,060.60 = 197,187.41/x
  3. Step 3: Cross multiply
    326,209.48x = 450,060.60 × 197,187.41
  4. Step 4: Simplify right side
    326,209.48x = 88,746,285,921.65
  5. Step 5: Solve for x
    x = 88,746,285,921.65/326,209.48
  6. Step 6: Final answer
    x = 272,053.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.